https://www.metv.com/stories/there-were-talks-of-an-in-the-heat-of-the-night-spinoff-starring-bubba-skinner

Bubba: The Solo Years.

David Hart said that Parker was supposed to be even more dimwitted on In the Heat of the Night (https://www.metv.com/stories/david-hart-said-that-parker-was-supposed-to-be-even-more-dimwitted-on-in-the-heat-of-the-night)

Hart was a smart man and an even smarter actor.